An electron accelerated through a potential difference V1 has a de Broglie wavelength λ. When the potential is changed to V2, its de Broglie wavelength increases by 50%. The value of the ratio V1V2 is:

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?